106 lines
2.0 KiB
C++
106 lines
2.0 KiB
C++
#include <string>
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#include <curses.h>
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#include <unistd.h> // usleep
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struct Object {
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int x1, y1; // top left
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int x2, y2; // bottom right
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double scale;
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int Left() const { return x1; }
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int Right() const { return x2; }
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int Top() const { return y1; }
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int Bottom() const { return y2; }
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};
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bool InBounds(Object bounds, Object object);
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int main(int argc, char *argv[])
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{
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WINDOW * mainwin;
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// Initialize ncurses
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if ( (mainwin = initscr()) == NULL ) {
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fprintf(stderr, "Error initialising ncurses.\n");
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exit(EXIT_FAILURE);
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}
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Object screen;
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screen.x1 = 10;
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screen.x2 = 31;
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screen.y1 = 10;
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screen.y2 = 15;
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screen.scale = 1.0;
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const Object initial_screen = screen;
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Object object;
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object.x1 = 1;
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object.x2 = 5;
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object.y1 = 4;
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object.y2 = 8;
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object.scale = 1.0;
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const Object initial_object = object;
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while(true)
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{
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screen = initial_screen;
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object = initial_object;
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bool covered_last_frame = false;
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for(auto y = 0; y < 14; ++y)
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{
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for(auto x = 0; x < 40; ++x)
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{
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// DRAW
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clear();
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std::string scr(screen.Right() - screen.Left() + 1, '+');
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for(auto row = screen.Top(); row <= screen.Bottom(); ++row)
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mvaddstr(row, screen.Left(), scr.c_str());
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std::string obj(object.Right() - object.Left() + 1, '*');
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for(auto row = object.Top(); row <= object.Bottom(); ++row)
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mvaddstr(row, object.Left(), obj.c_str());
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bool covered = InBounds(screen, object);
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mvaddstr(1, 1, covered ? "Covered: YES" : "Covered: NO");
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refresh();
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if(covered != covered_last_frame)
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usleep(500000); // 1/2 sec
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else
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usleep(35000); // quick
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covered_last_frame = covered;
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++object.x1;
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++object.x2;
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}
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++object.y1;
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++object.y2;
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object.x1 -= 40;
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object.x2 -= 40;
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}
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}
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// destroy ncurses
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delwin(mainwin);
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endwin();
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refresh();
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return 0;
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}
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bool InBounds(Object bounds, Object object)
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{
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if(object.Right() < bounds.Left()
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|| object.Left() > bounds.Right()
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|| object.Bottom() < bounds.Top()
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|| object.Top() > bounds.Bottom())
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return false;
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return true;
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}
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